proj4js/lib/common/nadInterBreakout.js

26 lines
562 B
JavaScript

module.exports = function(indx, frct, letter, number, ct) {
var inx;
if (indx[letter] < 0) {
if (!(indx[letter] === -1 && frct[letter] > 0.99999999999)) {
return false;
}
indx[letter]++;
frct[letter] = 0;
}
else {
inx = indx[letter] + 1;
if (inx >= ct.lim[number]) {
if (!(inx === ct.lim[number] && frct[letter] < 1e-11)) {
return false;
}
if (letter === 'x') {
indx[letter]--;
}
else {
indx[letter]++;
}
frct[letter] = 1;
}
}
return [indx, frct];
};